Style de citation APA

WHO. (1994). Contraceptive method mix: Guidelines for policy and service delivery. Genève: WHO.

Style de citation Chicago

WHO. Contraceptive Method Mix: Guidelines for Policy and Service Delivery. Genève: WHO, 1994.

Style de citation MLA

WHO. Contraceptive Method Mix: Guidelines for Policy and Service Delivery. Genève: WHO, 1994.

Attention : ces citations peuvent ne pas être correctes à 100%.